Has anyone ever seen or heard of compression molded clay plaques? I've only ever seen plastic jeton like plaques or the current ceramic type. I'd love the heft and look of something like that but wonder if the manufacturing process is even possible, since I believe some sort of lathing/milling is required post press, which would be tricky with something that's not round.
Has anyone ever seen or heard of compression molded clay plaques? I've only ever seen plastic jeton like plaques or the current ceramic type. I'd love the heft and look of something like that but wonder if the manufacturing process is even possible, since I believe some sort of lathing/milling is required post press, which would be tricky with something that's not round.
In any case anyone heard of such a thing?
Never heard of it. They would probably break rather easily, atleast if they were as soft as Paulson chips. Also, plaques are often used for high denominations and have a micro chip in them. It would probably be impossible to put a micro chip in a clay plaque so that's two big downsides as I see it.
I hadn't thought about the brittleness issue, though some chips, like BC, seem much harder. The normal starting plaque size is only about as big as 2 1/2 39mm chips.
If you can put a microchip in a regular cheque you should be able to in a clay plaque. Wouldn't you just have a spot gauged out and covered by an inlay?
That said I realize if it hasn't been done there must be a reason for it.
My (very uninformed) guess is that if it takes 10000 psi, or some such amount of pressure, to make a 39mm, 10g circular chip, it would probably take a lot more to make a plaque. I am not sure if it could be accomplished with the same machines that are used to make chips. They would also be really heavy, and probably fragile.
It would be interesting to hear what someone closer to the chip-making process has to say about this.
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